<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<h3>作用域数据：</h3>
<p>
<h4>Request请求域中数据：</h4>
requestScope: message: ${requestScope.requestMessage},用户名：${requestScope.users[0].username}
</p>
<p>
<h4>Session域中数据：</h4>
sessionScope: message: ${sessionScope.sessionMessage},用户名：${sessionScope.users[0].username}
</p>
<p>
<h4>Application域中数据：</h4>
applicationScope: message: ${applicationScope.applicationMessage},用户名：${applicationScope.users[0].username}
</p>
<p>
<h4>请求参数：</h4>
RequestParam: ${param.modelAndViewMessage}
</p>
</body>
</html>
